import java.util.Scanner;

// 注意类名必须为 Main, 不要有任何 package xxx 信息
public class Main {
    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        // 注意 hasNext 和 hasNextLine 的区别
        while (in.hasNextInt()) { 
            //怪物的数量
            int n = in.nextInt();
            //小易的初始能力值
            int a = in.nextInt();
            //小易的最终能力值
            int fina = a;
            int[] arr = new int[n];
            for(int i =0;i<n;i++) {
                arr[i] = in.nextInt();
                if(arr[i] <= fina) {
                    fina+=arr[i];
                }else {
                    fina+=divisor(arr[i],fina);
                }
            }
            System.out.println(fina);
        }
    }
    private static int divisor(int a,int b) {
        while(a%b!=0) {
            int tem = a%b;
            a = b;
            b = tem;
        }
        return b;
    }
}